Immobilized Human IL21R (2 µg/mL) bind Human IL21 in a functional ELISA with a linear range of 0.078-0.973 µg/mL. Induction of the Interferon gamma secretion by human natural killer lymphoma NK-92 cells: ED50 = 1.52-6.06 ng/mL; Specific activity =1.65×10^5~6.58×10^5 units/mg.
Purity
>95% (by SDS-PAGE).
Product Form
Lyophilized
Concentration
Reconstitution dependent.
Formulation
Lyophilized from Phosphate Buffered Saline, pH 7.4 (0.22µm filter sterilized).
Endotoxin Level
<1 EU/µg of the protein by LAL method.
Storage
Shipped at 4°C. Lyophilized: Store at -20°C to -80°C up to 1 year from the date of receipt. Reconstituted: Aliquot and store at -20°C for 3 months or 2-8°C for up to 1 week. Avoid freeze/thaw cycles.
Synonyms
IL21, Interleukin-21, Za11
Disclaimer
This product is for research use only. It is not intended for diagnostic or therapeutic use.
Standard Curve - Recombinant Human IL-21 Protein (C-terminal His Tag) (A330866)
ELISA examination of immobilized Human IL21R (2µg/mL) binding Recombinant Human IL-21 Protein (C-terminal His Tag) (A330866): linear range = 0.078-0.973 µg/mL.
Standard Curve - Recombinant Human IL-21 Protein (C-terminal His Tag) (A330866)
ELISA examination of Recombinant Human IL-21 Protein (C-terminal His Tag) (A330866) to induce Interferon gamma secretion by human natural killer lymphoma NK-92 cells: ED50 = 1.52-6.06 ng/mL; Specific activity = 1.65×10^5~6.58×10^5 units/mg.
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